Home / 210,198.48-314,733.24-131,155.92

Finding the Fourth Proportional to 210,198.48, 314,733.24 and 131,155.92

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Solution

The fourth proportional to 210,198.48, 314,733.24 and 131,155.92 is: 196,381.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,198.48 : 314,733.24 = 131,155.92 : x
  2. Step 2: Convert to fraction form
    210,198.48/314,733.24 = 131,155.92/x
  3. Step 3: Cross multiply
    210,198.48x = 314,733.24 × 131,155.92
  4. Step 4: Simplify right side
    210,198.48x = 41,279,127,646.78
  5. Step 5: Solve for x
    x = 41,279,127,646.78/210,198.48
  6. Step 6: Final answer
    x = 196,381.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.